| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] a [adj] part | 203 |
|
| 2 | [is] a [adj] part | 199 |
|
| 3 | [is] a necessary [noun] | 128 |
|
| 4 | [is] a necessary [noun sg] | 128 |
|
| 5 | [be] a necessary part | 37 |
|
| 6 | [is] [art] necessary part | 19 |
|
| 7 | [is] [art] necessary part | 19 |
|
| 8 | [is] a necessary part | 18 |
|
| 9 | [is] a necessary part | 18 |
|
| 10 | [is] a necessary part | 18 |
|
